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GB2099245B - Demodulating an amplitude modulated signal - Google Patents

Demodulating an amplitude modulated signal

Info

Publication number
GB2099245B
GB2099245B GB8116035A GB8116035A GB2099245B GB 2099245 B GB2099245 B GB 2099245B GB 8116035 A GB8116035 A GB 8116035A GB 8116035 A GB8116035 A GB 8116035A GB 2099245 B GB2099245 B GB 2099245B
Authority
GB
United Kingdom
Prior art keywords
demodulating
modulated signal
amplitude modulated
amplitude
signal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB8116035A
Other versions
GB2099245A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Philips Electronics UK Ltd
Original Assignee
Philips Electronic and Associated Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Philips Electronic and Associated Industries Ltd filed Critical Philips Electronic and Associated Industries Ltd
Priority to GB8116035A priority Critical patent/GB2099245B/en
Priority to US06/377,633 priority patent/US4485487A/en
Priority to CA000403332A priority patent/CA1200849A/en
Priority to AU84078/82A priority patent/AU554387B2/en
Priority to NZ200723A priority patent/NZ200723A/en
Publication of GB2099245A publication Critical patent/GB2099245A/en
Application granted granted Critical
Publication of GB2099245B publication Critical patent/GB2099245B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/68—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for wholly or partially suppressing the carrier or one side band
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08—Details of the phase-locked loop
    • H03L7/085—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal
    • H03L7/087—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal using at least two phase detectors or a frequency and phase detector in the loop
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/30—Circuits for homodyne or synchrodyne receivers
    • H04B1/302—Circuits for homodyne or synchrodyne receivers for single sideband receivers

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Transmission System (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
GB8116035A 1981-05-26 1981-05-26 Demodulating an amplitude modulated signal Expired GB2099245B (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
GB8116035A GB2099245B (en) 1981-05-26 1981-05-26 Demodulating an amplitude modulated signal
US06/377,633 US4485487A (en) 1981-05-26 1982-05-12 Method of, and a receiver for, demodulating a double sideband amplitude modulated signal in a quasi-synchronous area coverage scheme utilizing sideband diversity
CA000403332A CA1200849A (en) 1981-05-26 1982-05-19 Method of, and a receiver for, demodulating a double sideband amplitude modulated signal in a quasi- synchronous area coverage scheme utilising sideband diversity
AU84078/82A AU554387B2 (en) 1981-05-26 1982-05-24 Dsb demodulation
NZ200723A NZ200723A (en) 1981-05-26 1982-05-24 Demodulation of dsb am signals with sideband diversity

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8116035A GB2099245B (en) 1981-05-26 1981-05-26 Demodulating an amplitude modulated signal

Publications (2)

Publication Number Publication Date
GB2099245A GB2099245A (en) 1982-12-01
GB2099245B true GB2099245B (en) 1984-11-14

Family

ID=10522054

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8116035A Expired GB2099245B (en) 1981-05-26 1981-05-26 Demodulating an amplitude modulated signal

Country Status (5)

Country Link
US (1) US4485487A (en)
AU (1) AU554387B2 (en)
CA (1) CA1200849A (en)
GB (1) GB2099245B (en)
NZ (1) NZ200723A (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8301179A (en) * 1983-04-01 1984-11-01 Philips Nv HF SIGNAL RECEIVER FITTED WITH A PAIR OF PARALLEL SIGNAL ROADS.
GB2155262B (en) * 1984-03-01 1988-01-20 Standard Telephones Cables Ltd Radio receiver
JPS61171207A (en) * 1985-01-25 1986-08-01 Nec Corp Receiver
DE3624529A1 (en) * 1986-07-19 1988-01-21 Blaupunkt Werke Gmbh DIGITAL DEMODULATOR
GB2215930B (en) * 1988-03-15 1992-09-16 Secr Defence Improvements in or relating to sub-carrier reception
US5008939A (en) * 1989-07-28 1991-04-16 Bose Corporation AM noise reducing
FR2651393B1 (en) * 1989-08-29 1994-04-08 Alcatel Espace COSTAS LOOP CARRIER RECOVERY ARRANGEMENT.
GB2247122A (en) * 1990-08-15 1992-02-19 Philips Electronic Associated Receivers for frequency modulated transmissions
US5150384A (en) * 1990-09-28 1992-09-22 Motorola, Inc. Carrier recovery method and apparatus having an adjustable response time determined by carrier signal parameters
EP0478821B1 (en) * 1990-10-02 1995-09-06 Siemens Aktiengesellschaft Device for synchrodyne demodulation of amplitude modulated signals
GB9116051D0 (en) * 1991-07-24 1991-09-11 Phase Track Limited Am receiver system
IL125059A0 (en) * 1998-06-22 1999-01-26 Shalev Doron Two-way group communication systems
US20040149491A1 (en) * 2003-01-30 2004-08-05 Fling Richard William Device and method for improved data transfer

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2817755A (en) * 1953-08-31 1957-12-24 Rca Corp Automatic frequency control circuits
US3768030A (en) * 1972-05-08 1973-10-23 Motorola Inc Automatic signal acquisition means for phase-lock loop with anti- sideband lock protection
US3828138A (en) * 1973-05-10 1974-08-06 Nasa Coherent receiver employing nonlinear coherence detection for carrier tracking
US4156204A (en) * 1976-06-03 1979-05-22 Motorola, Inc. Voltage controlled oscillator with frequency and phase control loop
FR2358792A1 (en) * 1976-07-13 1978-02-10 Siemens Ag ASSEMBLY TO PRODUCE A COMMAND SIGNAL IN A PARASITE-AFFECTED RECEPTION CHANNEL
US4100503A (en) * 1976-07-21 1978-07-11 W. C. Lindsey Inc. Correlative tracking system with lock indicator
US4188589A (en) * 1978-09-01 1980-02-12 Motorola, Inc. Automatic signal acquisition means for a phase locked loop with anti-sideband lock protection

Also Published As

Publication number Publication date
GB2099245A (en) 1982-12-01
NZ200723A (en) 1985-03-20
US4485487A (en) 1984-11-27
AU8407882A (en) 1982-12-02
CA1200849A (en) 1986-02-18
AU554387B2 (en) 1986-08-21

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee